      var userAgent = new String(navigator.userAgent); 
      var BrowserVer = userAgent.substring( 
      userAgent.search(/LG Browser/) + 11); 
      BrowserVer = BrowserVer.split("(", 1); 
      if (BrowserVer >= "3.0.23") {  
         window.onmouseon = mouseon_handler; 
      }
      function mouseon_handler(){
         if(playMode=='full'){
            if(userAgent.search("LG NetCast.TV") > -1) {
               setElementDisplay("fullKeyHelpArea_tv_bg",true);
               setElementDisplay("fullKeyHelpArea_tv",true);
            } else if(userAgent.search("LG NetCast.Media") > -1) {
               setElementDisplay("fullKeyHelpArea_bdp_bg",true);
               setElementDisplay("fullKeyHelpArea_bdp",true);
            }     
            setElementVisibility("fullMediaControl",true);
            fullModeCtrlView ++;
         } 
      }